AU631424B2 - Helicopter, high rotor speed enhancement - Google Patents

Helicopter, high rotor speed enhancement

Info

Publication number: AU631424B2
Authority: AU; Australia
Prior art keywords: helicopter; rotor speed; high rotor; speed enhancement; enhancement
Prior art date: 1989-05-19
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Ceased

Application number

AU54660/90A

Other versions

AU5466090A (en

Inventor

Charles E. Greenberg

Nicholas D. Lappos

David H. Sweet

David M. Walsh

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

RTX Corp

Original Assignee

United Technologies Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-05-19

Filing date

1990-05-03

Publication date

1992-11-26

1990-05-03 Application filed by United Technologies Corp filed Critical United Technologies Corp

1990-11-22 Publication of AU5466090A publication Critical patent/AU5466090A/en

1992-11-26 Application granted granted Critical

1992-11-26 Publication of AU631424B2 publication Critical patent/AU631424B2/en

2010-05-03 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

Classifications

- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
- G05D1/0808—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft
- G05D1/0858—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft specially adapted for vertical take-off of aircraft

Landscapes

Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)
Remote Sensing (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Aviation & Aerospace Engineering (AREA)
Radar, Positioning & Navigation (AREA)
Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Combined Controls Of Internal Combustion Engines (AREA)
Control Of Turbines (AREA)
Turbine Rotor Nozzle Sealing (AREA)
Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Control Of Electric Motors In General (AREA)
Motor Or Generator Frames (AREA)
Control Of Eletrric Generators (AREA)

AU54660/90A 1989-05-19 1990-05-03 Helicopter, high rotor speed enhancement Ceased AU631424B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/354,533 US4998202A (en)	1989-05-19	1989-05-19	Helicopter, high rotor load speed enhancement
US354533		1989-05-19

Publications (2)

Publication Number	Publication Date
AU5466090A AU5466090A (en)	1990-11-22
AU631424B2 true AU631424B2 (en)	1992-11-26

Family

ID=23393761

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU54660/90A Ceased AU631424B2 (en)	1989-05-19	1990-05-03	Helicopter, high rotor speed enhancement

Country Status (7)

Country	Link
US (1)	US4998202A (en)
EP (1)	EP0398840B1 (en)
JP (1)	JP3130029B2 (en)
AU (1)	AU631424B2 (en)
CA (1)	CA2015588C (en)
DE (2)	DE398840T1 (en)
ES (1)	ES2018773T3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5265826A (en) *	1991-08-27	1993-11-30	United Technologies Corporation	Helicopter engine control having lateral cyclic pitch anticipation
US5265825A (en) *	1991-08-27	1993-11-30	United Technologies Corporation	Helicopter engine control having yaw input anticipation
US5314147A (en) *	1991-08-27	1994-05-24	United Technologies Corporation	Helicopter engine speed enhancement during heavy rotor load and rapid descent rate maneuvering
US6012676A (en) *	1998-03-31	2000-01-11	Sikorsky Aircraft Corporation	Integrated fire and flight control system with automatic engine torque limiting
FR2827636B1 (en) *	2001-07-19	2003-11-28	Eurocopter France	SYSTEM FOR REGULATING THE SPEED OF A HELICOPTER ENGINE
US9235217B2 (en) *	2005-10-03	2016-01-12	Sikorsky Aircraft Corporation	Automatic dual rotor speed control for helicopters
US8275500B2 (en) *	2008-03-11	2012-09-25	Honeywell International Inc.	Gas turbine engine fixed collective takeoff compensation control system and method
WO2010056241A1 (en) *	2008-11-13	2010-05-20	Sikorsky Aircraft Corporation	Adaptive fail-fixed system for fadec controlled gas turbine engines
FR3000465B1 (en)	2012-12-27	2015-02-13	Eurocopter France	METHOD FOR ROTATING A MAIN ROTOR OF ROTOR OF ROTOR, ACCORDING TO A VARIABLE VALUE ROTATION SPEED SET
FR3000466B1 (en)	2012-12-27	2015-02-13	Eurocopter France	METHOD FOR ROTATING A ROTOR OF A ROTOR BY FORECKING ANTICIPATION OF TORQUE REQUIREMENTS BETWEEN TWO ROTATOR ROTATION SPEED INSTRUCTIONS
US10414512B2 (en) *	2014-10-01	2019-09-17	Sikorsky Aircraft Corporation	Power management between a propulsor and a coaxial rotor of a helicopter
CN114112353B (en) *	2021-11-19	2023-10-27	中国直升机设计研究所	Helicopter full-aircraft static test tail anti-false part

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4522026A (en) *	1983-02-07	1985-06-11	Pratt & Whitney Canada Inc.	Power/torque limiter unit for free turbine type engines
US4716531A (en) *	1983-05-10	1987-12-29	Dowty And Smiths Industries Controls Limited	Two lane engine control system
US4716719A (en) *	1985-04-17	1988-01-05	Hitachi, Ltd.	Method of and apparatus for controlling fuel of gas turbine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2052805B (en) *	1979-06-29	1983-03-09	Smiths Industries Ltd	Gas-turbine engine control
US4286324A (en) *	1979-09-24	1981-08-25	Maxwell Ingram	Prime mover fuel efficiency control system
US4488236A (en) *	1982-04-16	1984-12-11	United Technologies Corporation	Helicopter cruise fuel conserving engine control
US4423593A (en) *	1982-04-16	1984-01-03	Chandler Evans Inc.	Fuel control for controlling helicopter rotor/turbine acceleration
US4564908A (en) *	1983-02-28	1986-01-14	United Technologies Corporation	Automatic limiting of helicopter engine torque
CA1246717A (en) *	1983-08-01	1988-12-13	James J. Howlett	Rotorcraft load factor enhancer

1989
- 1989-05-19 US US07/354,533 patent/US4998202A/en not_active Expired - Lifetime
1990
- 1990-04-27 CA CA002015588A patent/CA2015588C/en not_active Expired - Fee Related
- 1990-05-03 AU AU54660/90A patent/AU631424B2/en not_active Ceased
- 1990-05-17 DE DE199090630108T patent/DE398840T1/en active Pending
- 1990-05-17 DE DE69027714T patent/DE69027714T2/en not_active Expired - Fee Related
- 1990-05-17 ES ES90630108T patent/ES2018773T3/en not_active Expired - Lifetime
- 1990-05-17 EP EP90630108A patent/EP0398840B1/en not_active Expired - Lifetime
- 1990-05-19 JP JP02130126A patent/JP3130029B2/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4522026A (en) *	1983-02-07	1985-06-11	Pratt & Whitney Canada Inc.	Power/torque limiter unit for free turbine type engines
US4716531A (en) *	1983-05-10	1987-12-29	Dowty And Smiths Industries Controls Limited	Two lane engine control system
US4716719A (en) *	1985-04-17	1988-01-05	Hitachi, Ltd.	Method of and apparatus for controlling fuel of gas turbine

Also Published As

Publication number	Publication date
ES2018773T3 (en)	1996-10-01
AU5466090A (en)	1990-11-22
CA2015588C (en)	2001-08-07
DE398840T1 (en)	1991-02-28
DE69027714D1 (en)	1996-08-14
JP3130029B2 (en)	2001-01-31
ES2018773A4 (en)	1991-05-16
US4998202A (en)	1991-03-05
EP0398840B1 (en)	1996-07-10
JPH0396629A (en)	1991-04-22
DE69027714T2 (en)	1996-11-07
EP0398840A2 (en)	1990-11-22
CA2015588A1 (en)	1990-11-19
EP0398840A3 (en)	1992-01-08

Publication	Publication Date	Title
AU3789589A (en)	1990-01-11	Helicopter rotor blades
AU5450890A (en)	1990-11-08	Multi-carrier high speed modem
AU620301B2 (en)	1992-02-13	High speed dry grinder
AU5922090A (en)	1991-01-17	Centrifugal separator
AU6784587A (en)	1987-07-23	Thieno-1,4-diazepines
AU4648589A (en)	1990-09-05	Multi-fuseable shaft
AU5231290A (en)	1990-10-04	High speed asynchronous data interface
AU2188088A (en)	1989-05-25	Rotor balancing
GB9022281D0 (en)	1991-02-20	Helicopter rotor blades
AU7102487A (en)	1988-03-31	Aerodynamic devices
AU6723290A (en)	1991-05-16	Rotor blade
AU628440B2 (en)	1992-09-17	Volume-expansion rotor machine
GB9023141D0 (en)	1991-07-10	Helicopter rotor blades
AU598015B2 (en)	1990-06-14	Helicopter blade airfoil
AU631424B2 (en)	1992-11-26	Helicopter, high rotor speed enhancement
AU7374387A (en)	1987-12-10	2-hydrazono-4,6-dinitrobenthiazolones
AU587363B1 (en)	1989-08-10	Improvements to helicopter rotor blades
AU1234188A (en)	1988-09-01	High speed printer
GB8615109D0 (en)	1986-07-23	Helicopter rotor
AU3737589A (en)	1989-10-16	Tail rotor
GB2243589B (en)	1994-01-05	Helicopter rotor blade.
AU7235787A (en)	1987-10-09	Windmill
GB9022271D0 (en)	1991-02-20	Helicopter rotor blades
GB8922338D0 (en)	1989-11-22	Helicopter rotors
AU2678788A (en)	1990-03-01	High speed self-lubricating bearing-seal assembly

Legal Events

Date	Code	Title	Description
2000-12-07	MK14	Patent ceased section 143(a) (annual fees not paid) or expired